2019998169

素因数分解:

$3^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67219}}^1$

素因数の和:67291

約数の個数: 40

約数和(自身を含む): 3513723840

約数和(自身を除く): 1493725671

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 81, 159, 189, 371, 477, 567, 1113, 1431, 3339, 4293, 10017, 30051, 67219, 201657, 470533, 604971, 1411599, 1814913, 3562607, 4234797, 5444739, 10687821, 12704391, 24938249, 32063463, 38113173, 74814747, 96190389, 224444241, 288571167, 673332723, 2019998169]

約数ペア:

[(1, 2019998169), (3, 673332723), (7, 288571167), (9, 224444241), (21, 96190389), (27, 74814747), (53, 38113173), (63, 32063463), (81, 24938249), (159, 12704391), (189, 10687821), (371, 5444739), (477, 4234797), (567, 3562607), (1113, 1814913), (1431, 1411599), (3339, 604971), (4293, 470533), (10017, 201657), (30051, 67219)]